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17 ore 16 min, 19 dic 1915 anni - Engineers S. E. Bramer, Jacob Roth, F. R. S. Kaplan, Simon Loeb and William Smith, Sr. create the first permanent metallurgical bond between copper and steel in Rankin, Pennsylvania

Aggiunto al nastro di tempo:

Warren Steel

ByJohnny
12 nov 2017

Data:

17 ore 16 min, 19 dic 1915 anni
Adesso
~ 108 years ago
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